In this age of "big data," artificial intelligence (AI) has become a valuable ally for scientists. Machine learning algorithms, for instance, are helping biologists make sense of the dizzying number of molecular signals that ...
Molecular & Computational biology
Dec 26, 2019
3
7381
Growing up in Israel, Gili Greenbaum would give tours of local caves once inhabited by Neanderthals and wonder along with others why our distant cousins abruptly disappeared about 40,000 years ago. Now a scientist at Stanford, ...
Archaeology & Fossils
Nov 07, 2019
2
1648
Saliva from a tick's bite can transmit pathogens that cause serious illnesses, such as Lyme disease, and significant agricultural losses. Current insecticides have drawbacks, so scientists have been seeking new ways to prevent ...
Biochemistry
Aug 26, 2019
6
2108
The fossilized tail of a young dinosaur that lived on a prairie in southern Alberta, Canada, is home to the remains of a 60-million-year-old tumor.
Archaeology & Fossils
Feb 11, 2020
3
2009
Insights from their study may provide a novel therapeutic approach for diseases such as Huntington's and Parkinson's.
Molecular & Computational biology
Dec 07, 2019
1
902
Tufts University researchers have transplanted engineered pancreatic beta cells into diabetic mice, then caused the cells to produce more than two to three times the typical level of insulin by exposing them to light. The ...
Cell & Microbiology
Nov 02, 2019
0
2526
Some stress at a young age could actually lead to a longer life, new research shows.
Molecular & Computational biology
Dec 04, 2019
0
5751
Researchers said Wednesday they believe they may have found the cause of mad cow disease, while stressing the need to maintain precautionary measures to avoid a potential re-emergence of the illness.
Veterinary medicine
Dec 18, 2019
5
505
As the tools to study biology improve, researchers are beginning to uncover details into microproteins, small components that appear to be key to some cellular processes, including those involved with cancer. Proteins are ...
Biochemistry
Oct 25, 2019
0
296
A new imaging technique developed by Biwei Yin and interdisciplinary researchers at the Massachusetts General Hospital and Harvard Medical School in the U.S., provides resolution at the subcellular-level to image the heart's ...
A disease or medical problem is an abnormal condition of an organism that impairs bodily functions, associated with specific symptoms and signs. It may be caused by external factors, such as invading organisms, or it may be caused by internal dysfunctions, such as autoimmune diseases.
In human beings, "disease" is often used more broadly to refer to any condition that causes extreme pain, dysfunction, distress, social problems, and/or death to the person afflicted, or similar problems for those in contact with the person. In this broader sense, it sometimes includes injuries, disabilities, disorders, syndromes, infections, isolated symptoms, deviant behaviors, and atypical variations of structure and function, while in other contexts and for other purposes these may be considered distinguishable categories.
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